manage_m365_groups · Microsoft 365 Core MCP Server MCP

WHAT IT DOES

What manage_m365_groups does on Microsoft 365 Core MCP Server

AI agents use manage_m365_groups to create or update resources in Microsoft 365 Core MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Microsoft 365 Core MCP Server environment.

WHY IT NEEDS A POLICY

Why manage_m365_groups needs a policy

Management of Microsoft 365 groups involves creating and modifying group memberships, ownership, permissions, and associated resources (mailbox, calendar, SharePoint sites). These are Write operations that create or reversibly modify data.

From the tool's definition Tool is called 'manage_m365_groups' and described as enabling management of Microsoft 365 groups with shared resources including mailbox, calendar, and files.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

manage_m365_groups Rate-limited

manage_m365_groups stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "manage_m365_groups": {
      "limits": [
        {
          "counter": "manage_m365_groups_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Microsoft 365 Core MCP Server, so you can run agents against it safely.

FAQ

Questions about manage_m365_groups

What does the manage_m365_groups tool do? +

Manage Microsoft 365 groups for team collaboration with shared resources like mailbox, calendar, and files. It is categorised as a Write tool in the Microsoft 365 Core MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on manage_m365_groups? +

Register the Microsoft 365 Core MCP Server MCP server in PolicyLayer and add a rule for manage_m365_groups: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Microsoft 365 Core MCP Server. Nothing to install.

What risk level is manage_m365_groups? +

manage_m365_groups is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit manage_m365_groups? +

Yes. Add a rate_limit block to the manage_m365_groups rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block manage_m365_groups completely? +

Set action: deny in the PolicyLayer policy for manage_m365_groups. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides manage_m365_groups? +

manage_m365_groups is provided by the Microsoft 365 Core MCP Server MCP server (roycedamien/m365-core-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.